#include<cstdio>
using namespace std;
int main()
{
	int x;
	scanf("%d", &x);
	switch(x)
	{
		case 1 : printf("Monday"); break;
		case 2 : printf("Tuesday"); break;
		case 3 : printf("Wednesday"); break;
		case 4 : printf("Thursday"); break;
		case 5 : printf("Friday"); break;
		case 6 : printf("Saturday"); break;
		case 7 : printf("Sunday"); break;
		default : printf("input error!"); 
	}
	return 0;
}
